01 Record
CVE-2021-22050
ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by
UnratedPUBLISHEDCNA: vmware
CNA base scoreUnratedNo CNA CVSS vector
02 Description
ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.31% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.9% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-02-16 16:37Z4 YR AGO
- Last updated
- 2024-08-03 18:30Z2 YR AGO
- Reserved
- 2021-01-04
- Assigning CNA
- vmware
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.1
- Document digest
- a6da806263cd00581cc4e0dd9076843dc7043e8cad1fa3688e5d1db915fca7ce
05 Affected products
VendorProductVersionsPlatforms
n/aVMware ESXi and VMware Cloud FoundationVMware ESXi(7.0 U3 before ESXi70U3c-19193900, ESXi 6.7 ESXi670-202111101-SG and ESXi 6.5 before ESXi650-202110101-SG) and VMware Cloud Foundation (4.x before 4.4 and 3.x before 3.11)—